A New Scheme for Nearest Level Control with Average Switching Frequency Reduction for Modular Multilevel Converters

被引：6

作者：

Park, Yong-Hee ^{[1
]}

Kim, Do-Hyun ^{[1
]}

Kim, Jae-Hyuk ^{[1
]}

Han, Byung-Moon ^{[1
]}

机构：

[1] Myongji Univ, Dept Elect Engn, Yongin, South Korea

来源：

JOURNAL OF POWER ELECTRONICS | 2016年 / 16卷 / 02期

关键词：

DC voltage balancing; HVDC (High-Voltage DC transmission); IGBT (Insulated Gate Bipolar Transistor); MMC (Modular Multi-level Converter); NLC (Nearest Level Control); Redundancy sub-modules; SM (Sub-Module); HVDC; MMC;

D O I：

10.6113/JPE.2016.16.2.522

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a new NLC (Nearest Level Control) scheme for MMCs (Modular Multilevel Converters), which offers voltage ripple reductions in the DC capacitor of the SM (Sub-Module), the output voltage harmonics, and the switching losses. The feasibility of the proposed NLC was verified through computer simulations. Based on these simulation results, a hardware prototype of a 10kVA, DC-1000V MMC was manufactured in the lab. Experiments were conducted to verify the feasibility of the proposed NLC in an actual hardware environment. The experimental results were consistent with the results obtained from the computer simulations.

引用

页码：522 / 531

页数：10

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